Which effect of an environmental change does this best

illustrate?

Due to the short-term environmental change of a drought, much of the soil in an area can no longer support a species of wildflower. As a result, the plants now grow only in small regions within the area. Which effect of an environmental change does this best illustrate? migration loss of habitat adaptation extinction

Explanation:

Adaptation is a property of organism which is acquire with the passage of time in order to survive in extreme environmental conditions. The organism produces various adaptation in its body which help them to live. Those organism which has no such adaptation will be eliminated from environment so that's why by changing environment some organisms survived and others will be eliminated.